Laquelle de ces grandeurs dépend de la température ?
08. TC2P4

Quiz
•
Emmanuel Libberecht
•
Chemistry
•
University
•
20 plays
•
Medium
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ΔrH°
Aucune des 3 autres propositions
ΔrS°
ΔrG°
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la bonne proposition ?
ΔrG° = ΔrH° + T.ΔrS°
ΔrG° = ΔrH° + RT.ΔrS°
ΔrG° = ΔrH° - T.ΔrS°
ΔrG° = ΔrH° - RT.ΔrS°
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'entropie s'exprime en :
J
J.K-1
J.mol-1
J.mol-1.K-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dans la réaction :
2Al(s) + 3/2O2(g) → Al2O3(s)
ΔrS° > 0
ΔrS° < 0
ΔrS° = 0
On ne peut pas connaitre le signe de ΔrS°
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considérons l'équilibre suivant :
CO(g) + 1/2O2(g) → CO2(g)
Si on augmente la pression, alors…
La réaction évolue dans le sens direct
La réaction évolue dans le sens indirect
Il ne se passe rien
La réaction devient totale
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